Hi,
I am working on NVidia tegra 3 platform  and working on Jelly Bean 4.1.2r1 
release of AOSP. I am trying to customize boot splash screen along with 
boot animation. I want to provide an effect that the splash screen and boot 
animation are one part. Currently I observed on most of the android devices 
available in market, that the screen goes blank after splash screen and 
before starting boot animation. The splash screen is loaded by bootloader 
and the boot animation is in the form of ZIP file stored in /system 
partition. The surface flinger loads the animation from zip file.

I browsed the code in surface flinger to locate the place where the screen 
is cleared out after splash screen. I think if I can avoid clearing of the 
screen, then the boot animation will be started immediately after splash 
screen without a blank effect in between.

Any pointers on which part of surface flinger is doing this?

Cheers
Shivanand

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